The good & the bad news
— Martin Juhl (@MartinJuhl2) July 22, 2021
➡️Bad news first: early data from Israel indicates that vaccine efficacy in preventing infection & symptomatic disease (mainly Pfizer-BioNTech) goes from 75-79% to 16% within 4 months against the Delta variant https://t.co/Zom3twSouo pic.twitter.com/iETTcR00gn